9) Use dimensional analysis to solve the problem. A student is in class 400 minutes every day for 5 days each week. How many seconds is this?

Conversion factors: 1 day = 24 hours; 1 hour = 60 minutes; 1 minute = 60 seconds
12,000 sec
120,000 sec
1,200,000 sec
60,000 sec

a is 8.b is 10.c is 10.5. d is -.5

step-by-step explanation:

just minus the smallest number from the biggest.

0.038

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2